This patches series introduces two new messages VHOST_USER_GET_INFLIGHT_FD and VHOST_USER_SET_INFLIGHT_FD to support transferring a shared buffer between qemu and backend.
This shared buffer is used to process inflight I/O when backend reconnect. The example show how these new APIs work. JinYu (2): [1/2]vhost: support inflight share memory protocol feature [2/2]vhost: Add vhost-user-blk example which support inflight examples/vhost_blk/Makefile | 67 +++ examples/vhost_blk/blk.c | 116 +++++ examples/vhost_blk/blk_spec.h | 95 ++++ examples/vhost_blk/meson.build | 20 + examples/vhost_blk/vhost_blk.c | 590 +++++++++++++++++++++++++ examples/vhost_blk/vhost_blk.h | 95 ++++ examples/vhost_blk/vhost_blk_compat.c | 196 ++++++++ lib/librte_vhost/rte_vhost.h | 105 +++++ lib/librte_vhost/rte_vhost_version.map | 4 + lib/librte_vhost/vhost.c | 158 ++++++- lib/librte_vhost/vhost.h | 16 + lib/librte_vhost/vhost_user.c | 313 +++++++++++++ lib/librte_vhost/vhost_user.h | 13 +- 13 files changed, 1786 insertions(+), 2 deletions(-) create mode 100644 examples/vhost_blk/Makefile create mode 100644 examples/vhost_blk/blk.c create mode 100644 examples/vhost_blk/blk_spec.h create mode 100644 examples/vhost_blk/meson.build create mode 100644 examples/vhost_blk/vhost_blk.c create mode 100644 examples/vhost_blk/vhost_blk.h create mode 100644 examples/vhost_blk/vhost_blk_compat.c -- 2.17.2
